Pride, W. (2005). Marketing: Concepts and strategies (12th.). Biztantra.
Lua i Stíl Chicago (17ú heag.)Pride, William. Marketing: Concepts and Strategies. 12th. New Delhi: Biztantra, 2005.
Lua MLA (9ú heag.)Pride, William. Marketing: Concepts and Strategies. 12th. Biztantra, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.